Combination stacker-hood.



'.I. W. DAVIS & 1. W. KELLER. COMBINATION STACKER HOOD.

APPLICATION FILED AUG.9. 1915.

1220,400. Patented Mar. 27, 1917.

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I. W.'I)AVIS & l. W. KELLER.

COMBINATION STACKE-R HOOD.

APPLICATION FILED AUG.9. |915.

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COMBINATION STACKER-HOOD.

Specification of Letters Patent.

Patented Mar. 27, 1911*?.

Application led August 9, 1915. Serial No. 44,653.

To all witom z't may concern Be it known that we, JOHN WILLIAM DAvrs and JOHN W. KELLER, citizens of the United States, and residents of Peru, in the county of Madison and State of iowa, have invented a. certain new and useful Combination Stacker-Hood, of which the following is a specification.

The object of our invention is to provide a stacker hood for separators of simple, durable and inexpensive construction.

A further object is to Still a further Objectis to provide such av hood provided with means for driving the straw in one direction, and the fine chaff and dust in another direction and away from the' place where the straw is delivered.

further object is to provide such a device Which, by simple adjustment, may be used for delivering the straw to the flexible member, or by such simple adjustment may be used for blowing out the straw in one direction and the dust or chaff in another di- Still a further object is to provide in such a device arms in connection with a hinged door soarranged that the upward movement of the straw guiding arms opens the pivoted doors. f

A further object is to provide a` stacker hood having a flexible member comprising telescopical members operatively connected together, which device is provided with means tending` to hold the telescopical members in their extended position, and with adjustable means for limiting the extended movement.

Our invention consists in the construction, arrangement and combination of the various parts of the device whereby the objects contemplated are attained as hereinafter more fully set forth, pointed out in our claims and illustrated in the accompanying drawings, in which:

Figure l shows a topror plan view partly broken away of a stacker hood embodying our invention.

Fig. 2 shows a vertical sectional view taken on the line 2-2 of Fig. l.

'Fig 3 shows a vertical secional view taken Fig. 1.

Fig. 4 shows a side elevation of our improved stacker, the dotted lines showing the telescopical flexible member in its extended position, and

Fig. 5 shows a vertical sectional view through a portion of the stacker hood.

In the accompanying drawings, we have used the reference numeral 10 to indicate generally the tubular discharge member of a threshing machine separator. v

Telesco'pically mounted on the member 10 is a stacker hood member 11' of a tubular or other suitable form. At the forward discharge end of the member 11 is an annular outwardly extending bead 12, shown in Fig. 5, the purpose of which willbe hereinafter explained.

ln the lower part` of the stacker hood member 11 is a door opening' 13 which may be covered when desired by a hinged door member 14. The door opening 13 is spaced from the discharge end of the stacker hood member 11.

1n the upper portion of the stacker hood member l1 is an opening 15 which may be covered by 'a cover member l16 hinged at its forward end at 17 to the'hood member 11.

Mounted in suitable brackets 18 near the wardly curved parallel spaced guide arms 20, whichA ordinarily extend through the opening 15 into the interior of the member 11. On the shaft 19 is a crank arm 21 to which may be secured a flexible device extending toward the separator. When the flexible device 22 is drawn toward the separator, 'the shaft 19 will be rocked or rotated for raising the arms 20. It may be desired inthis connection that the upward movement of the curved arms 20 raise the cover member 16, as shownin Fig. 5.

he cover member 16 is normally held in closed position by means `of springs 23 secured to the said cover member and to the hood member 11. Rotatably mounted on the bead 12 is a cylindrical member 24 having' atits lower end downwardly extending flanges 25. The cylindrical member 24 is provided with an annular bead 26 of f which receives and is rotatably mounted on the bead 12, as illustrated in Figs. 4 and 5.

Telescopically mounted on the member 24 is a similar member 27 having similar lianges 25, which receive between their rear ends the flanges 25 of the member 24 and arepivoted thereto at 28a, mounted on the member 27 in the same way as the member 28, and shown in the same way as the member 23. t will be seen that the members 28 and 29 successively are telescopically mounted on the members 27, 2S and 24, respectively, and are also pivotally connected therewith in succession.

- On the upper portion of the members 27, 28 and 29 are upwardly extending lugs 30, successively mounted by chains or flexible devices 31, which limit the upwardly extending movement of the various members 27, 23 and 29. Connected with the outer member 29 is a flexible device 32 extending through a guide 33 toward the separator for drawing the member 29 toward the separator and moving the flexible portion of the stacker hood to its collapsed position shown in full lines in Fig. 11.

Secured to the opposite sides of the members 24: are flexible devices 311 extending over guide pulleys 36 mounted on the upper portion of the sides of the member 11, and thence toward the separator. It will be noted that by pulling on one of the members 34:, the flexible stacker hood member may be rotated to a certain degree on the hood member 11. The direction of rotation depends upon which member 311 is pulled. The flexible hood member may be thus rotated, so that when the members 27, 28 and 29 are extended to their position, shown by dotted lines in Fig. fl, the direction of the blast through the flexible members may be varied, whereby the contents of the flexible hood member may be discharged therefrom in any desired direction.

Secured to the lower portion of the member 29 is an arm 35, and secured to the lower portion of the member 211 is a similar arm 36. The arms 35 and 36 are connected by springs 27 which yieldingly tend to move the members on the collapsible closed portion to their extended position. By means of the flexible member 32 the upward or extended movement of the position of the flexible hood portion may be limited at any desired point.

On account of the construction hereinbefore shown, it will be seen that by rotating the flexible hood member to proper position, and by thus limiting its extended movement, as desired, the material discharged through said flexible hood member may be discharged in a great variety of directions. 1t thus appears that when the members 20 are not in use, the straw and also the chaff contained therein may be blown in any desired direction by varying the position of the flexible hood member for properly building the stack. While we have shown and described a deflector comprising tubular members, it will be understood, of course, that we may employ a deflector of any appropriate form for cooperating and other parts of' our improved hood.

1n operation, when it is desired to separate the dust `from the straw, the fingers 2() are lowered to the position shown in dotted lines in Fig. 5, the lower door 14 is opened and the upper door 16 is left ina closed position. The straw, chaff, dust, etc., discharg ing from the stacker pipe or chute 10 into the hood member 11 strikes against the fingers 20 and the -straw is directed downwardly through the door opening 13 and falls lightly upon the straw stack, while the air blast, dust and fine particles pass on through said fingers and out through the flexible deflector shown, or any other suitable deflecting device. Therefore, during the continuance of the threshing operation the dust and fine particles are carried beyond the straw stack and discharged separately from 'the straw, the latter falling directly downwardly from the fingers 20. By separating the air blast from the straw,

with the separating fingers when the latter contacts with the fingers 20,

it falls gently and in a manner to insure that a symmetrical stack may be built, as there is no blast discharging with the straw to disturb or blow it about when falling on the stack. When wet or damp masses of straw strike the fingers 2O they are at once forced upwardly toward the cover or door 16 (Fig. 4), and in order to permit freedom of such movement said door is yieldingly secured by the springs 23 so that it may raise and lower with the movement of said fingers. l."Vhen it is desired to discharge the straw, chaffl and dust together into a mow, the lower door 14 is closed, and the fingers 20, being attached to shaft 19 and pivotally mounted in the ears 18, may be swung back on the body portion or member 11 completely out of contact with the discharging material, the upper door 16 being swung open for thispurpose, and then closed.- In this condition the entire pipe member 11 is rendered substantially similar to the common stacker pipe and permits a free and unobstructed passage of all of the material therethrough and through the outer deflector into the mow to be stored. When arranged for separating dust from the straw, that is, when the straw is discharging through the lower opening 13 and the dust through the nozzle, and it should be desired to deposit the dust and straw together on the stack, the flexible nozzle disclosed, or other suitable deflector, may be pointed downwardly so that material discharging therefrom will be directed toward the straw issuing from the opening 13 and become mingled therewith. However, the object in separating such dust and fine particles from the straw is to obtain clean straw, and we have demonstrated in actual field threshing that by arranging our improved stacker pipe distant thererrom,

thus be separated therefrom. Also, by providing the deflecting fingers 20 as indicated, through which the blast passes and is separated from the straw, w are enabled to control. the deposit of the straw when the stacker pipe is elevated to its limit, and obtain a symmetrical nisi or topping out of the stack without the aid of attendants on the stack, which is not possible at all times where the straw and air blast are together discharged from the deector.

It will be understood that some changes spaced arms between said opening and said discharge end, pivotally4 mounted and a hinged door above said arms adapted to be raised by the upward movement of said arms.

3. A stacker t e upward movement of said arms, and means tending to yieldingly hold said hinged door in closed position.

et. A hood for pneumatic stackers comprising a body portion having openings in its upper and lower sides, ngers mounted upon said body portion and movable upwardly and downwardly through said upper opening, a cover for closing said opening, and a door for closing said lower opening.

5. A hood for pneumatic stackers comprising a body portion having openings in its upper and lower sides, a yieldingly controlled cover for said upper opening, pivotally mounted fingers on said body portion adapted to be thereinto for separating dust from straw and directing such straw downwardly through said lower opening when straw and other material are to be discharged together, and a closure for said lower opening adapted to be closed when straw and other material are discharged together.

East Peru, Iowa, July 27, 1915.

JOHN WILLIAM DAVIS. JOHN W. KELLER.

Witnesses:

E. C. ZIMMERMAN, l. M. DELAPLAIN.

Eames of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

